/*********************************************************************
 * Copyright (C) 2002 Andrew Khan
 * <p>
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * <p>
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * <p>
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***************************************************************************/

package jxl.write.biff;

import jxl.biff.StringHelper;
import jxl.biff.Type;
import jxl.biff.WritableRecordData;
import jxl.common.Logger;

/**
 * An external sheet record, used to maintain integrity when formulas
 * are copied from read databases
 */
class ExternalNameRecord extends WritableRecordData {
    /**
     * The logger
     */
    Logger logger = Logger.getLogger(ExternalNameRecord.class);

    /**
     * The name of the addin
     */
    private String name;

    /**
     * Constructor used for writable workbooks
     */
    public ExternalNameRecord(String n) {
        super(Type.EXTERNNAME);
        name = n;
    }

    /**
     * Gets the binary data for output to file
     *
     * @return the binary data
     */
    public byte[] getData() {
        byte[] data = new byte[name.length() * 2 + 12];

        data[6] = (byte) name.length();
        data[7] = 0x1;
        StringHelper.getUnicodeBytes(name, data, 8);

        int pos = 8 + name.length() * 2;
        data[pos] = 0x2;
        data[pos + 1] = 0x0;
        data[pos + 2] = 0x1c;
        data[pos + 3] = 0x17;

        return data;
    }
}
